prototype-comma

comma using prototype

by I Sang Hyeon

HTML

<input type="text" id="inp1">
<button id="btn1">btn1</button>
<p id="p1">empty</p>

JavaScript

String.prototype.money = function() {
    var num = this.trim();
    while((/(-?[0-9]+)([0-9]{3})/).test(num)) {
        num = num.replace((/(-?[0-9]+)([0-9]{3})/), "$1,$2");
    }
    return num;
}

$(document).ready(function(){
	$('#btn1').click(function(){
  	$('#p1').text($('#inp1').val().money());
  });
});